Abstract
The growth characteristics of the yeastCandida utilis in the individual stages of a multistage tower fermentor obtained with single- and multistream ethanol feeding were compared. In addition, various types of pure oxygen supply were tested for each type of ethanol feed. The results, obtained from steady-state continuous cultures, provided evidence that the two types of ethanol and oxygen supply significantly affect the cell growth rate, ethanol dissimilation rate, acetate excretion in the medium, biomass yield and productivity.
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